Shoe finishing machine



' y 3, 1933- c-.- M. BAGSHAW r AL 2,115,838

SHOE FINISHING MACHINE Filed Ma 4, 1936 5 Sheets-Sheet 1 @IANZZLQFE May 3, 1938. c. M. BAGSHAW El AL SHOE FINISHING MACHINE 3 Sheets- Sheet 2 Filed May 4, 1936 y 1938- c. M. BAG-SHAW ET AL 2,115,338.

SHOE FINISHING MACHINE Filed May 4, 1936 3 Sheets-Sheet 3 Patented May 3, 1938 UNITED STATES PATENT OFFECE SHOE FINISHING MACHINE Application May 4, 1936, Serial No. 77,740 In Great Britain May 9, 1935 21 Claims.

This invention relates to shoe finishing machines and is herein illustrated as embodied in a machine of the type disclosed in Letters Patent of the United States No. 1,078,684, granted November 18, 1913, upon an application of Keall, Gouldbourn and Jerram, for operating upon sole edges.

In the finishing of shoes it is common to apply to the sole edges thereof a finishing medium such as wax or ink or a compound having the properties of both ink and wax in order to make the color of the sole edge matchthat of the upper and also to impart a lasting brilliant finish to the sole edge when it is set or burnished as a result of being presented toan edge setting tool either by hand or in a machine.

With a view to eliminating as a separate hand operation that of applying the finishingmedium, it has been applied in some instances to the sole edge to be finished from a reservoir having an outlet at the work engaging surface of the edge setting tool from which the medium is to fiow gravitationally in a small, steadystream. However; owingto the small rate of fiow of the medi- 3* um necessitated by the .small amount of medium which is required and the resulting tendency of the outlet for the mediumto become clogged, the

delivery of medium is uncertain in the use of such a device, and accordingly, the'medium is g commonly applied manually by a brush, preferably after the sole edge has received a preliminary burnishing or setting.

In view of the foregoing a general object of the invention is to provide means reliable in its oper- 5 ation for applying an adequate amount of finishing medium to a sole edge and which will thus obviate the necessity for applying medium to the sole edge as a separate hand operation.

To this end the invention provides a finishing 40 medium reservoir, a duct communicating with said reservoir, and means for intermittently delivering finishing medium from said duct whereby the medium is applied'to a work-piece moved past said duct at separate spots distributed about 45 the area of the work-piece to be finished. Thereafter the medium is distributed evenly over the sole edge between the spots at which the medium is first applied by the action of the edge setting tool, which may have either oscillating or rotary 50 movement. Although this feature of the invention may have utility apart from a machine including a finishing tool, the duct as illustrated herein is associated with an edge setting tool, and by moving the work-piece in a direction extend- 55. ing from the outlet of the duct toward the tool,

the medium which is discharged from the duct is distributed evenly about the sole edge immediately upon being applied thereto. As a result of applying medium intermittently in accordance with the above-mentioned feature of the inven- 5 tion, each discharge of medium is greater in amount than would be the case if it were applied at a constant rate whereby the possibility of the duct becoming obstructed is minimized. Further insurance against the occurrence of an obstruc- 10" tion in the duct results from the medium being impelled from the sole edge positively by a power-operated means, such as a pump in the illustrated construction, constituting another feature of the invention. 15

In the operation of a machine of the type illustrated herein, the point of operation of the tool on the sole edge is transferred back andforth a number of times over the portion of the sole edge to be finished, and, since it is desirable to subject the sole edge to a preliminary edge setting operation prior to the application of finishing medium thereto, another object of the invention is to provide means for operating the illustrated medium-delivering means during only a selected traverse oi the point of operation of the tool about the sole edge, which occurs after the first traverse but before the last one so that the sole edge will not only be prepared to receive the medium but also will be finished after the medium has been applied thereto.

Accordingly, the invention contemplates the provision, in a finishing machine in which the point of operation of a finishing tool is transferred about the sole of a shoe a plurality of times, of means for operating the medium-delivering means only during an intermediate transfer of the point of operation of the tool about the sole edge.

Invention is to be recognized also in the provision of means for controlling the operation of the medium-delivering means whereby the latter 7 is operated only when the point of operation of the tool on the sole edge moves in a direction extending toward the tool from the outlet of the duct from which the medium is impelledin order to insure that the medium will be distributed about the sole edge immediately upon being applied thereto.

These and other features of the invention will appear more fully from the following description when read in connection with the accompanying drawings and will be pointed out in the appended claims. 7 5

In the drawings,

Fig. 1 is a rear view of an illustrative embodiment of the invention;

Fig. 2 is a perspective view, from the rear, of driving mechanism for the medium-delivering means;

Fig. 3 is a sectional elevation of the finishing medium reservoir and certain parts of the medium-delivering means illustrated in Fig. 1;

Fig. 4 is a sectional plan view along the line IV-IV of Fig. 3;

Fig. 5 is a sectional elevation as viewed along the line VV of Fig. 4;

Fig. 6 is a plan view of certain parts seen in Fig. 2;

Fig. '7 is a sectional elevation as viewed along the line VII-VII of Fig. 6; and

Fig. 8 is a perspective view, looking downwardly and forwardly from the rear, toward the tool head of the machine: illustrated in Fig. 1.

The machine in which the invention is illustrated as embodied is similar to that disclosed in the Keall et al. patent mentioned above and includes a tool head H3 (Figs. 1 and 8) in which is mounted an edge setting iron or tool I2 which is arranged to be moved into engagement with the edge of the sole of a shoe clamped in a swinging jack l4, and to be vibrated while in contact with the sole edge as the jack is swung to and fro to cause the point of operation of the tool on the edge of the sole to be transferred back and forth about the sole a number of times. The movement of the tool head If] toward and away from its operative position is controlled by a hand lever 16 (similar to the lever indicated at 290 in the Keall patent) which also controls the starting of the machine into operation as described in the above-mentioned Keall et a1. patent. Associated with the tool head It of the illustrative embodiment of the invention there is provided means for delivering finishing medium onto the sole edge as it is progressively presented to the tool, this means being intermittently operated, as will be described below, so as to apply the medium at separate spaced points distributed about the area of the sole edge to be finished and at such times when the point of operation of the tool on the sole edge is transferred in a direction extending toward the tool from the locality where the medium is applied to the sole edge.

The illustrated medium-delivering means comprises an upstanding medium reservoir l8 (Fig. 3) having a neck 28 into which finishing medium such for example as wax in the form of pellets or small sticks, may be inserted. An electric resistance unit 2i is provided to heat the reservoir in order to maintain the wax therein in a fluid condition. Wax is discharged onto a sole edge through a duct 22 (Fig. 8) having an outlet adjacent to the tool l2 by a power-operated pump having a plunger 24 (Fig. 3) which is slidable axially in the reservoir and extends downwardly into a chamber 26 formed in the bottom of the reservoir I8.

The upper end of the plunger 24 has a grooved collar 28 thereon in the groove of which lies a pin 30 extending radially with respect to the plunger- 24 from the end of a link 32 pivoted at 34 on a bracket 35 secured to the wax reservoir. The plunger is operated by a tension spring 38 fixed at one end to the pin 3! and at its other end to the upper end of a lever 48 pivoted at 42 on the bracket 36. A wire cable 44 is connected to the lever between its pivot 42 and its opposite end and is operated to cause the lever 40 to carry the center line of the spring 38 back and forth across the pivotal, axis 34 of the link 32. Thus, the pressure of the spring 38 is directed on the link 32 alternately at opposite sides of the pivot 34, causing the link 32 to be oscillated and the plunger 24 to be reciprocated. In the position shown in Fig. 3, the spring 38 normally tends to lift the plunger 24, and an adjustable screw 46 threaded in the bracket 36 abuts at its lower end against the upper end of the plunger 24 to limit the rise of the plunger, adjustment of this screw serving to limit the stroke of the plunger and hence the amount of medium impelled from the duct 22 by each stroke of the plunger. The link 32 and lever 40 are so mounted and arranged that the center line of the spring 38 never passes below the pivot 42 and upon release of the; cable 44 as will be described later the spring 36 causes the lever 40 and link 32 to be raised successively to the position in which they are illustrated in Fig. 3.

As shown in Fig. 5 a small bore 48 closed by a plug at its lower end connects the reservoir l8 with another bore 50 below the pump chamber 26. The bore 50 communicates with the duct 22, the outlet of which lies slightly further from the jack l4 than the operativeface of the iron l2 so that the duct outlet will be near but will not actually engage the edge of a sole being set by the iron.

A ball valve 52 urged against a neck in the bore 48 by a spring permits wax to be drawn from the reservoir by the rising of the plunger 24 but prevents the return of the wax to the reservoir on the descent of the plunger. A second ball valve 54 is provided in the bore 50 to prevent wax from being drawn from the duct 22 as the plunger is lifted.

It is to be understood that the finishing-medium-delivering means described above, when provided with suitable driving mechanism, may have utility in connection with a finishing machine to which the work to be finished is presented by hand; but, as intimated above, in the illustrated embodiment of the invention the work is automatically presented to the finishing tool and the medium-delivering means is operated in a definite but controllable time relation to the movement of the work as will be described below. When it is important that sole edges be finished well, the finished medium is applied after a preliminary edge setting operation, and since the machine in which the invention is illustrated as embodied is usually so adjusted as to cause at least three complete traverses of the sole past the tool it is desired that the illustrated medium-delivering means be operated after at least one traverse of the sole past the tool has occurred. Accordingly there will now be describeddriving mechanism for the medium-delivering means which operates to cause finishing medium to be applied to the sole edge in a series of spots during the second only of three traverses of the sole past the iron, following which the combined vibrating action of the tool and the last traverse of the sole past the tool will serve to distribute the medium evenly along the edge and to set it.

By the term traverse as employed herein is meant the swinging of a shoe so as to cause the point of operation of the tool on the sole edge to be transferred between points at opposite sides of the sole from one side of the sole to the other and back again to the starting point.

The end of the wire cable 44 remote from the tool head I0 is secured to one end of a lever 56 (Figs. 1, 2 and 6) which is pivoted on a fixed vertical pivot 58 mounted in a bracket 60 attached to the machine frame. The lever 56 is arranged to be rocked about its pivot at the times indicated above alternately to exert a pull on and to release the wire cable 44 to operate the plunger 24 in the manner described above.

Means is provided for thus rocking the lever 56 comprising a disk 62 which is mounted to rotate about a bushing 66 (Fig. '7) fixed to a stationary vertical rod 65, the disk 02 being arranged to lie substantially at the same level as the lever 56 and to be frictionally restrained against accidental movement by a spring detent 68 carried by a collar 69 fixed to the rod 66. The disk 62 has a series, in the present instance six, of fingers or cam members it! detachably clamped to it by screws 72 which cam members project radially from it and are each arranged, on rotation of the disk 62 in a clockwise direction as viewed from above, to strike against a nose 14 on the lever 56 and thus also to rock the lever in a clockwise direction as seen from above, to operate the pump plunger 24 downwardly and thus to cause a small quantity of wax to be impelled onto the sole edge just in advance of the iron. As soon as each cam member I0 is carried out of contact with the nose I4 during continued rotation of the disk 62, the spring 38, the center line of which never passes below the pivot 42 of the lever 40, swings the lever 60 and link 32 upwardly in succession and hence raises the plunger 24. It is apparent that the number and relative positions of the cam members IE3 carried by the disk 52 can be varied in accordance with the desired number and frequency of applications of wax to the sole edge.

The mechanism for driving the disk, which is rotated through one revolution in a clockwise direction (Fig. 6) whenever it is operated, includes a chain 16 (Figs. 1 and 2) (corresponding to the chain I0 referred to in the Keall patent) which is connected at one end to a laterally reciprocating hydraulic slide 18 (56 in the Keall patent) and at its other end to a cam (not shown) for controlling the swinging movements of the jack i4 and is led about a sprocket (similar to the pulley B0 referred to in the Keall patent) mounted to rotate freely on the vertical rod 53, which sprocket 8% in the illustrative machine is formed on the lower end of a sleeve 32 surrounding the said rod and mounted to rotate freely in the bracket 50. By this means the sleeve 82 is rotated in a clockwise direction as the slide 13 moves toward the left (Fig. l) and in a counterclockwise direction as it moves toward the right.

During each complete traverse of the sole past the iron the point of operation of the tool on the sole edge is transferred about it from a point at the ball line at one side to a similar point at the other side of the sole and back again; and during such movement the slide I3 reciprocates once to and fro (it moving toward the left (Fig. 1) while the jack I4 swings in a clockwise direction as viewed from above, and toward the right when the jack swings in the reverse direction) and the sprocket Bil is given an angular oscillating movement which must in any case be at least one revolution and which, when operating on large size shoes, may be appreciably more than one revolution. A disk 93 is frictionally clamped to a flange 92 on the upper end of the sleeve 82 by means of bolts 94 passing freely through a collar 96 below the flange and springs 98 which serve yieldingly to hold the disk and collar 96 against the opposite faces of the flange 82. Thus, the disk 90 is frictionally driven by the sleeve 82 throughout a complete revolution in either direction but relative movement is permitted between the disk 90 and the flange 92 whenever the latter is oscillated in excess of one revolution. A pawl I00 (Figs. 2 and 6) is pivoted on a vertical stud I02 fixed to the disk 90 and has a hook I04 on one end which is urged by a tension spring I00 toward the lower periphery of the disk 62 in which is formed a single notch I08 adapted to receive the hook I04 of the pawl so that the disk 62 is rotated with the disk 00 in a clockwise direction as seen from above when the pawl is allowed to engage in the notch. Y

When'operating on large soles, the movement of. the jack and the extent of reciprocation of the slide 18 will be so great as to cause the sleeve 82 to oscillate to and fro through appre' ciably more than one complete revolution in-each traverse. This would normally give rise to the danger that when the jack starts to swing in a clockwise direction during the second traverse,

the hook I04 of the pawl I00 will occupy such a. position beyond the notch I08 in disk 62 that the driving of the disk 62 will be delayed until an appreciable portion of the movement of the jack has taken place, and hence delay the application of wax to the sole edge until an appreciable portion of the sole edge has moved past.

the iron. In order to guard against this and to insure that the operation of the disk 62 will commence as soon as the jack starts to swing, in a clockwise direction during the second traverse regardlessof, the size of sole being operated on, the machine is provided with means which has for its object to insure that the pawl 00 will be prevented from oscillating through more than a complete revolution and to insure that its hook I04 will always be in a position immediately to engage in the notch I08 when the pawl commences to rotate in a direction to rotate the disk 62. This meanscomprises acollar IIQ which is freely rotatable about a cam II2 the purpose of which is to be explained later. The collar H0 has a recess II 4 cut in its lower face into which projects the upper end of a pin H6 fixed in the bracket 50, the engagement of the pin with the opposite sides of the recess serving to limit the extent to which the collar can rotate. The collar at its side opposite to the recess H4 is provided with a radial nose II8 against the opposite sides of which a'lug I20 projecting from the disk 90 will strike alternately as the disk is oscillated to and fro. As the lug I20 strikes the nose H8 the collar H0 is rotated in one direction or the other about its axis until r' further movement of the collar, and therefore IIB with one or the other side of the recess H4. The width of the recess is such as to arrest the movement of the disk 90 and the pawl I00 when the pawl has rotated through a complete revolution, slip then occurring between the disk 90 and the flange 92, as described above. At the beginning of the second half of the second traverse the nose I I8 is held in such a position (indicated in- Fig. 6) by the engagement of the pin H6 with one side of the recess H4, and the lug I28 is so positioned by it that the notch I08 will be in a position immediately to receive the hook 234 of the pawl I00 when the latter is allowed to swing inwardly and therefore the disk 62 will commence to rotate and the application of wax to the sole edge will commence immediately after the beginning of the second half of thesecond traverse.

As stated above, it is desired that the application of finishing medium to the sole edge be preceded by a preliminary edge setting operation which is to occur during the first traverse of the sole edge past the tool. Accordingly, the operation of the disk 62 is to be delayed until the second position of the second traverse, during which the point of operation of the tool on the sole edge is transferred in a direction extending from the outlet of the duct 22 toward the tool I2 so that the medium, upon being applied to the sole edge, is immediately distributed between the spots where it was applied by the action of the tool.

Such operation of the illustrated machine is insured by mechanism for so controlling the pawl I00 that the disk 62 is permitted to be driven only during the second part of the second traverse of the shoe past the tool. This mechanism comprises the above-mentioned cam disk II2 which has two fiat side portions joined by two curved portions, each portion subtending an angle of approximately ninety degrees from the center of the cam. The cam is secured to the upper end of a vertical spindle I22 rotatably mounted in the bracket 60. The cam H2 is at the same level as the pawl I00 and, depending upon whether a curved or .flat side is adjacent to the path of the pawl, is arranged either to hold the pawl away from the disk 62 or to permit the hook I04 to be received in the notch I08, respectively. The lower end of the spindle I22 extends below its bearing in the bracket 60 and has secured on it a ratchet wheel I24 having six teeth which are engaged successively by a finger I26 pivoted on the end of the slide 78. Each reciprocation of the slide 18 toward the left as seen in Figs. 1 and 2 in each of the three traverses causes the finger I26 to engage one tooth of the ratchet wheel I24 and rotate the latter through sixty degrees in a clockwise direction as seen from above. The cam disk H2 is normally so positioned that, when the first traverse of the sole past the tool is about to commence (the first traverse commencing in a counterclockwise direction), a corner I28 (Fig. 2) on the disk I I2 at the junction of one of the fiat side portions with one of the curved portions projects into the path of the tail of the pawl I00, thereby preventing the engagement of the hook I 04 within the notch I08. Shortly after the beginning of the first traverse the slide I8 moves toward the left (Fig. 2) and the finger I26 will engage the ratchet wheel I24 and thus rotate the cam II 2 through substantially sixty degrees, the angle a, in a clockwise direction as seen from above so that the next corner I30 on the cam H2 is brought into the path of the pawl I00. When the slide I8 moves in the second portion of the first traverse toward the right as seen in Figs. 1 and 2 and thus rotates the pawl I00 in a clockwise direction, the corner I30 on the cam II 2 will engage the tail of the pawl I00 and prevent its hook I04 from engaging the notch I03 in the disk 62 carrying the cam members 10. Therefore, during the first traverse the disk 62 will remain stationary and the pump plunger 24 will not be actuated. During the first portion of the second traverse, however, the slide I8 moves again toward the left as seen in Figs. 1 and 2, as the jack I4 swings in a counterclockwise direction and turns the cam II2 through a further sixty degrees, the angle b. The corner I30 of thecam will thus be moved out of the path of the tail of the pawl I00 and therefore,

as the slide 49 moves back toward the right during the second half of this traverse while the jack swings in a clockwise direction, the hook I04 of the pawl I00 under the influence of the spring I06 will be engaged within the notch I08 in the disk 62 and the latter will be rotated through a complete revolution, this movement of the disk commencing almost immediately after the beginning of the second half of the second traverse.

As the disk 62 rotates and the traverse proceeds in the direction indicated, the pump plunger 24 acts, when the disk 62 has six cam members I0 secured to it as illustrated, to impel six small quantities of wax against portions of the sole edge which will immediately be acted on by the tool I2, these quantities being distributed substantially equidistantly around the iorepart portion of the sole edge. Owing to the fact that the jack swings about an axis passing through the shoe near the toe portion, the portion of the sole edge near the toe may move past the iron more slowly than the portion of the sole edge at each side of the shoe. Consequently, the cam members I0 are spaced about the disk 62 at such distances from each other that even distribution of the wax around the sole edge of any shoe is insured.

As the hydraulic slide I8 approaches the end of its advancing movement toward the left (Fig. 2) during the first half of the third traverse, the finger I26 rotates the cam disk II2 through a further sixty degrees, the angle 0, and thus brings another corner I32 on the cam disk II2 into the position first occupied by the corner I28 to en-, gage the tail of the pawl I00 as the latter is carried bodily around in a clockwise direction during the movement of the slide 1.8 toward the right and thus to prevent its engaging in the notch I 08 in the disk 62, whereby the application of wax to the sole edge during the third traverse is prevented. The cam II2 remains in this position when the machine comes to rest. Thus means is provided which operates, entirely independently of the operator, to apply wax in a series of spots to the sole edge during the second only of the three traverses of the sole past the iron and the combined traversing of the sole past the iron and the vibrating action of the latter serves to distribute the wax evenly along the edge between the points where it was first applied and to set the edge.

Machines of the automatic kind above referred to are generally provided with means whereby the machine may be thrown out of operation at any time during its operation if the operator should see that the operation is not proceeding properly, e. g., if it should happen that the tool comes out of engagement with the edge of the sole, and conveniently means are provided in the illustrated machine whereby the cam I I2 may be restored to its initial position on the restarting of the machine into operation from any position it may have reached when the operation of the machine was interrupted. For this purpose there is freely pivoted on the lower end of the spindle I22 beneath the ratchet wheel I24 an arm I34 the free end of which is connected by a wire cable I 36 with the starting hand lever I6 so that when the hand lever is moved to start the machine in operation the arm I34 will be moved around the spindle in a clockwise direction, as seen from above, to a predetermined position.

In order that this movement of the arm I34 may effect the restoration of the cam II2 to its initial position, two teeth of the ratchet wheel I24 which lie substantially directly beneath the corners I28 and I32 of the cam are provided with downwardly extending pins I38 and a pivoted pawl I40 is mounted on the arm I34 to engage one or the other of said pinsduring the rotation of the arm and, by rotating the spindle I22, thus to restore the cam disk H2 to the desired position. The pawl I40 is normally held by a leaf spring I42 against a stop pin I44 so that the pawl will act positively to restore the cam disk I I2 to its initial position but yet may ride over the pins I38 in its return. movement to an inoperative position in which it remains when the machine is idle. A tension spring I46 connecting the arm I34 and the machine frame returns the arm I34 to this position. A springpressecl plug I48 housed in the bracket 60 bears against the spindle I22 and frictionally prevents it from being rotated accidentally.

Having thus described our invention, what we claim as new and desire to secure by Letters Patent of the United States is:

1. In a finishing machine, a finishing tool, a work jack, said tool and jack being movable relatively to each other first in one and then in an opposite direction, a finishing-medium reservoir, means for delivering medium from said reservoir to a work-piece on said jack, and means operable during the relative movement of said tool and jack in one direction for actuating said medium-delivering means whereby medium is applied to the work.

2. In a finishing machine, a finishing tool, means for moving a work-piece past said tool alternately in opposite directions, a reservoir for a supply -of finishing medium, a duct communicating with said reservoir and having an outlet adjacent to said tool, and means for impelling finishing medium from said duct onto said workpiece when the latter is being moved in a direction extending from said duct toward said tool.

3. In a finishing machine, a sol-e edge setting tool, a shoe support, said tool and support being relatively movable to transfer the point of operation of the tool back and forth along the sole edge, a reservoir for a supply of finishing medium, a duct leading from said reservoir and having an outlet adjacent to said tool, means for intermittently pumping small quantities of finishing medium from said duct, and means for operating said pumping means only during the movement of the point of operation of the tool toward the outlet of said duct.

4. In a finishing machine, a reservoir adapted to hold a supply of finishing medium, a finishing tool arranged to operate upon an area of a work-piece which is progressively presented to the tool, a duct leading from said reservoir, and means for intermittently impelling finishing medium from said duct whereby the medium is applied to separate spots distributed about the area of the work-piece, said duct terminating at that side of the tool toward which the portion of the work to be treated is first presented when the medium is discharged from said duct.

5. In a finishing machine, a reservoir for a supply of finishing medium, a duct leading from said reservoir and having an outlet past which a work-piece to be finished may be moved to receive an application of finishing medium, and means for impelling medium from said duct comprising a plunger, a pivoted link for operating said plunger, and means for exerting on said link a pressure directed toward its pivotal axis, said means being movable across the pivotal axis of said link thereby to cause said plunger to be reciprocated. V

6. In a finishing machine, a reservoir for a supply of finishing medium, a duct leading from said reservoir and having an outlet past which a workpiece to be finished may be moved to receive an application of finishing medium, means for impelling medium from said duct comprising a plunger, a pivoted link for operating said plunger, and a yielding member connected to said link and movable across the pivotal axis of said link thereby to cause a sudden reciprocation of said plunger.

7. In a finishing machine, a reservoir for a supply of finishing medium, a duct leading from said reservoir and having an outlet past which a work-piece to be finished may be moved to receive an application of finishing medium, means for impelling medium from said duct comprising a plunger, a pivoted link for operating said plunger, and means including a spring mounted to swing across the pivotal axis of said link whereby a sudden impulse is imparted to said plunger. 7

8. In a finishing machine, a reservoir for a supply of finishing medium, a duct leading from said reservoir and having an outlet past which a work-piece to be finished may be moved to receive an application of finishing medium, a plunger associated with said duct, and means for operating said plunger to impel medium from the duct comprising an oscillating lever, a yielding member connected to said lever, and a link operated by said yielding member to reciprocate said plunger, said link being pivoted about an axis which is traversed by said yielding member when said lever is oscillated.

9. In a finishing machine, a reservoir for a supply of finishing medium, a duct leading from said reservoir and having an outlet past which a work-piece to be finished may be moved to receive an application of finishing medium, and means for impelling medium from said duct comprising a plunger, a pivoted link for operating said plunger, a member for exerting on said link a pressure directed toward its pivotal axis, and means for moving said member from one side of a position of alinement with the link to the other.

10. In an edge setting machine, a finishing tool, a shoe support, means for moving said support to cause the point of operation of the tool to be transferred along the sole edge, a finishing medium reservoir, and means for intermittently impelling medium from said reservoir onto the portions of the moving sole edge which are about to be presented to the tool whereby the tool is caused to distribute the medium evenly between the separate portions of the'sole edge to which it was applied.

11. In a finishing machine, a finishing tool, a shoe support, means for producing relativemovement of said support and tool to transfer the point of operation of said tool about the shoe sole a plurality of times, means for applying finishing medium to the portion of the shoe sole to be finished, and connections for operating said last-mentioned means actuated by said firstmentioned means during an intermediate transfer of the point of operation of the tool about the shoe.

12. In a finishing machine, a finishing tool, a shoe support, means for producing relative movement of said tool and support to transfer the point of operation of said tool back and forth about the shoe sole a plurality of times, means for impelling finishing medium onto the portion of the sole to be finished, said means comprising a duct terminating at one side of said tool, and means for operating said last-mentioned means when the point of operation of the tool on the sole is transferred toward said duct and tool successively.

13. In a finishing machine, a finishing tool, a shoe support, means for producing relative movement of said tool and support to transfer the point of operation of said tool about the shoe sole a plurality of times, means for impelling finishing medium onto the portion of the sole to be finished, driving mechanism therefor, and means for intermittently operating said driving mechanism whereby at least one transfer of the point of operation of the tool about the sole occurs between successive operations of said driving mechanism.

14. In a finishing machine, a finishing tool, a support for a shoe, means for moving said support to cause the point of operation of the tool to be transferred along the sole edge, means for impelling finishing medium onto the sole edge, driving means therefor comprising a member operated by said means for moving the support, mechanism for operating said medium-impelling means, and means for connecting said member and mechanism to cause medium to be impelled onto the sole edge.

15. In a finishing machine, a finishing tool, a support for a shoe, means for moving said support to cause the point of operation of the tool to be transferred along the sole edge, means for impelling finishing medium onto the sole edge, driving means therefor including a member having a plurality of adjustably mounted cams whereby the frequency of the operation of said impelling means is controlled, and means for operating said driving means as said support is moved.

16. In a finishing machine, a finishing tool, a support for a shoe, means for moving said support to cause the point of operation of the tool to be transferred back and forth a plurality of times about the sole edge, means for impelling finishing medium onto the sole edge, driving means therefor operated in synchronism with said support, mechanism for operating said mediumimpelling means, and means operable during an intermediate transfer of the point of operation of the tool about the sole edge to connect said driving means and said mechanism.

17. In a finishing machine, a finishing tool, a support for a shoe, means for moving said support back and forth to cause the edge of the shoe to be presented to the tool alternately in opposite directions, means for impelling finishing medium onto the sole, driving means therefor comprising a member which is oscillated in synchronism with the movement of said support, mechanism for operating said medium-impelling means, and means actuated by said means for moving the support to connect said member and mechanism during a predetermined oscillation of said member.

18. In a finishing machine, a finishing tool, a shoe support, means for moving said support to cause the sole edge of the shoe to be progressively presented to the tool, means for impelling finishing medium onto the sole edge, driving means therefor comprising a member operated in synchronism with said support, a pawl operatively connected to said member, a cam for operating said medium-impe1ling means, and means for intermittently moving said pawl into driving engagement with said cam.

19. In a finishing machine, a finishing tool, a support for a shoe, means for moving said support to cause the sole edge of a shoe on the support to be progressively presented to the tool, means for impelling finishing medium onto the sole edge, mechanism for operating said impelling means comprising a cam, driving means for said cam, and means for intermittently connecting said cam and driving means.

20. In a finishing machine, a finishing tool, a support for a shoe, means for swinging said support alternately in opposite directions to cause the sole edge of a shoe on the support to be presented to the tool, means for impelling finishing medium onto the sole edge comprising a cam, oscillating driving means comprising a pawl mounted for movement into and out of driving engagement with said cam, a member for controlling said pawl, and means for causing the pawl and cam to be operatively connected when said support is swung to present the sole edge to the medium-impelling means and tool successively.

21. In a finishing machine, a finishing tool, a shoe support, means for producing relative movement between said tool and support whereby the point of operation of the tool on the sole edge is transferred thereabout, means for impelling finishing medium onto the sole edge, driving means therefor comprising an oscillating member, a pawl frictionally driven by said oscillating member, means for limiting the amplitude of oscillation of said pawl, mechanism for operating said medium-impelling means, and means for operatively connecting said pawl and said mechanism during a predetermined oscillation of said member.

CHARLES MARTIN BAGSHAW. ALFRED HARRINGTON. 

